PDFWidget.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2010
   4 //     Stefan Bund <info@j32.de>
   5
   6 /** \file
   7     \brief PDFWidget non-inline non-template implementation */
   8
   9 #include "PDFWidget.hh"
  10 //#include "PDFWidget.ih"
  11
  12 // Custom includes
  13 #include <iostream>
  14 #include <QNetworkRequest>
  15 #include <QNetworkReply>
  16
  17 //#include "PDFWidget.mpp"
  18 #define prefix_
  19 ///////////////////////////////cc.p////////////////////////////////////////
  20
  21 prefix_ pykit::PDFWidget::PDFWidget(QNetworkAccessManager * manager, QWidget * parent)
  22     : QLabel(parent), manager_ (manager), currentPage_ (0)
  23 {}
  24
  25 prefix_ pykit::PDFWidget::PDFWidget(QString const & document, QNetworkAccessManager * manager,
  26                                     QWidget * parent)
  27     : QLabel(parent), manager_ (manager), currentPage_ (0)
  28 {
  29     document_.reset(Poppler::Document::load(document));
  30     documentSetup();
  31     showPage();
  32 }
  33
  34 prefix_ void pykit::PDFWidget::load(QUrl const & url)
  35 {
  36     QNetworkRequest request (url);
  37     QNetworkReply * reply (manager_->get(request));
  38     connect(reply, SIGNAL(finished()), this, SLOT(netLoadDocument()));
  39 }
  40
  41 prefix_ void pykit::PDFWidget::netLoadDocument()
  42 {
  43     QNetworkReply * reply = static_cast<QNetworkReply*>(sender());
  44     if (reply->error() != QNetworkReply::NoError)
  45         return;
  46     QByteArray data (reply->read(reply->size()));
  47     document_.reset(Poppler::Document::loadFromData(data));
  48     documentSetup();
  49     showPage();
  50     reply->deleteLater();
  51 }
  52
  53 prefix_ void pykit::PDFWidget::documentSetup()
  54 {
  55     document_->setRenderHint(Poppler::Document::Antialiasing, true);
  56     document_->setRenderHint(Poppler::Document::TextAntialiasing, true);
  57     document_->setRenderHint(Poppler::Document::TextHinting, false);
  58 }
  59
  60 prefix_ void pykit::PDFWidget::showPage()
  61 {
  62     if (! document_)
  63         return;
  64     QImage image (document_->page(currentPage_)->renderToImage(
  65                       physicalDpiX(), physicalDpiY()));
  66     setPixmap(QPixmap::fromImage(image));
  67 }
  68
  69 ///////////////////////////////cc.e////////////////////////////////////////
  70 #undef prefix_
  71 //#include "PDFWidget.mpp"
  72
  73 \f
  74 // Local Variables:
  75 // mode: c++
  76 // fill-column: 100
  77 // comment-column: 40
  78 // c-file-style: "j32"
  79 // indent-tabs-mode: nil
  80 // ispell-local-dictionary: "american"
  81 // compile-command: "scons -U"
  82 // End: